1020134140 has 12 divisors (see below), whose sum is σ = 2142281736. Its totient is φ = 408053648.

The previous prime is 1020134099. The next prime is 1020134153. The reversal of 1020134140 is 414310201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25503334 + ... + 25503373.

It is an arithmetic number, because the mean of its divisors is an integer number (178523478).

Almost surely, 2^1020134140 is an apocalyptic number.

1020134140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020134140 is an abundant number, since it is smaller than the sum of its proper divisors (1122147596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020134140 is a wasteful number, since it uses less digits than its factorization.

1020134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006716 (or 51006714 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1020134140 is about 31939.5388194633. The cubic root of 1020134140 is about 1006.6668345443. Note that the first 3 decimals are identical.

Adding to 1020134140 its reverse (414310201), we get a palindrome (1434444341).

The spelling of 1020134140 in words is "one billion, twenty million, one hundred thirty-four thousand, one hundred forty".